dc.contributor.author | Acharya, Shreyasi | |
dc.contributor.author | Adamová, Dagmar | |
dc.contributor.author | Adler, Alexander | |
dc.contributor.author | Adolfsson, Jonatan | |
dc.contributor.author | Aglieri Rinella, Gianluca | |
dc.contributor.author | Agnello, Michelangelo | |
dc.contributor.author | Agrawal, Nikita | |
dc.contributor.author | Ahammed, Zubayer | |
dc.contributor.author | Ahmad, Shafiq F. | |
dc.contributor.author | Ahn, Sang Un | |
dc.contributor.author | Ahuja, Ishaan | |
dc.contributor.author | Alme, Johan | |
dc.contributor.author | Altenkaemper, Lucas | |
dc.contributor.author | Djuvsland, Øystein | |
dc.contributor.author | Eikeland, Viljar Nilsen | |
dc.contributor.author | Ersdal, Magnus Rentsch | |
dc.contributor.author | Fionda, Fiorella Maria Celeste | |
dc.contributor.author | Grøttvik, Ola Slettevoll | |
dc.contributor.author | Lofnes, Ingrid Mckibben | |
dc.contributor.author | Nystrand, Joakim Ingemar | |
dc.contributor.author | Rehman, Attiq Ur | |
dc.contributor.author | Röhrich, Dieter | |
dc.contributor.author | Sætre, Jon-Are | |
dc.contributor.author | Tambave, Ganesh Jagannath | |
dc.contributor.author | Ullaland, Kjetil | |
dc.contributor.author | Wagner, Boris | |
dc.contributor.author | Yang, Shiming | |
dc.contributor.author | Yuan, Shiming | |
dc.contributor.author | Arsene, Ionut Cristian | |
dc.contributor.author | Dordic, Olja | |
dc.contributor.author | Malik, Qasim Waheed | |
dc.contributor.author | Neagu, Alexandra | |
dc.contributor.author | Richter, Matthias | |
dc.contributor.author | Røed, Ketil | |
dc.contributor.author | Skaali, Toralf Bernhard | |
dc.contributor.author | Storehaug, Ida Torkjellsdatter | |
dc.contributor.author | Tveter, Trine Spedstad | |
dc.contributor.author | Wikne, Jon Christopher | |
dc.contributor.author | Helstrup, Håvard | |
dc.contributor.author | Hetland, Kristin Fanebust | |
dc.contributor.author | Kileng, Bjarte | |
dc.contributor.author | Nesbø, Simon Voigt | |
dc.contributor.author | Reme-Ness, Haakon André | |
dc.contributor.author | Storetvedt, Maksim Melnik | |
dc.contributor.author | Langøy, Rune | |
dc.contributor.author | Lien, Jørgen André | |
dc.contributor.author | Akbar, Zaenai | |
dc.contributor.author | Akindinov, Alexander | |
dc.contributor.author | Al-Turany, Mohammed | |
dc.contributor.author | Alam, Sk Noor | |
dc.contributor.author | Aleksandrov, Dimitry | |
dc.contributor.author | ALICE, Collaboration | |
dc.date.accessioned | 2022-04-08T12:35:38Z | |
dc.date.available | 2022-04-08T12:35:38Z | |
dc.date.created | 2022-03-04T11:36:55Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 0031-9007 | |
dc.identifier.uri | https://hdl.handle.net/11250/2990778 | |
dc.description.abstract | This Letter presents the first experimental evidence of the attractive strong interaction between a proton and a ϕ meson. The result is obtained from two-particle correlations of combined p-ϕ⊕ p¯-ϕ pairs measured in high-multiplicity pp collisions at s√=13 TeV by the ALICE Collaboration. The spin-averaged scattering length and effective range of the p-ϕ interaction are extracted from the fully corrected correlation function employing the Lednický-Lyuboshits approach. In particular, the imaginary part of the scattering length vanishes within uncertainties, indicating that inelastic processes do not play a prominent role for the p-ϕ interaction. These data demonstrate that the interaction is dominated by elastic p-ϕ scattering. Furthermore, an analysis employing phenomenological Gaussian- and Yukawa-type potentials is conducted. Under the assumption of the latter, the N-ϕ coupling constant is found to be gN-ϕ=0.14±0.03(stat)±0.02(syst). This work provides valuable experimental input to accomplish a self-consistent description of the N-ϕ interaction, which is particularly relevant for the more fundamental studies on partial restoration of chiral symmetry in nuclear medium. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | APS | en_US |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.title | Experimental Evidence for an Attractive p-φ Interaction | en_US |
dc.type | Journal article | en_US |
dc.type | Peer reviewed | en_US |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | Copyright 2021 CERN, for the ALICE Collaboration | en_US |
dc.source.articlenumber | 172301 | en_US |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |
dc.identifier.doi | 10.1103/PhysRevLett.127.172301 | |
dc.identifier.cristin | 2007589 | |
dc.source.journal | Physical Review Letters | en_US |
dc.subject.nsi | VDP::Kjerne- og elementærpartikkelfysikk: 431 | en_US |
dc.subject.nsi | VDP::Nuclear and elementary particle physics: 431 | en_US |
dc.identifier.citation | Physical Review Letters. 2021, 127, 172301. | en_US |
dc.source.volume | 127 | en_US |